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What are Unix processes, and how do you manage them?
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A process in Unix is an instance of a running program. Unix processes have a unique Process ID (PID) and can be managed using various commands:
• ps: Displays the list of running processes.
• top: Shows real-time system activity, including processes.
• kill: Terminates a process using its PID. For example, kill 1234 terminates the process with PID 1234.
• nice: Sets the priority of a process.
• nohup: Runs a process in the background, immune to hangups.
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